Hanxiong Li

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Methods for preparing dehydrocavidine, dehydroapocavidine or their...
- Patent number 7,732,458
- Issue date Jun 8, 2010
- Weidong Zhang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHODS FOR PREPARING DEHYDROCAVIDINE, DEHYDROAPOCAVIDINE OR THEIR...
- Publication number 20100311779
- Publication date Dec 9, 2010
- Weidong Zhang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHODS FOR PREPARING DEHYDROCAVIDINE, DEHYDROAPOCAVIDINE OR THEIR...
- Publication number 20100137350
- Publication date Jun 3, 2010
- Weidong Zhang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Methods for preparing dehydrocavidine, dehydroapocavidine or their...
- Publication number 20070249650
- Publication date Oct 25, 2007
- Weidong Zhang
- C07 - ORGANIC CHEMISTRY